IS42S32800L-7BLI-TR

The IS42S32800L-7BLI-TR is a 256Mbit synchronous DRAM optimized for embedded systems requiring reliable parallel memory. Built on proven SDRAM technology, this component delivers 8M x 32 organization with an LVTTL interface, making it compatible with a broad range of microcontrollers and processors operating from a standard 3.0V to 3.6V supply. With a clock frequency up to 143MHz and 5.4ns access time, this DRAM provides responsive data throughput for real-time applications.

Packaged in a compact 90-pin TFBGA (8x13mm), this device balances density with board space efficiency. Its extended temperature rating of -40°C to 85°C and active lifecycle status make it suitable for industrial designs requiring long-term availability and environmental tolerance.

Key Features

• Memory Configuration - 256Mbit density organized as 8M x 32, providing straightforward addressing for 32-bit bus architectures common in embedded processors.
• Clock Performance - 143MHz maximum clock frequency with 5.4ns access time enables low-latency data transfers suitable for buffering and temporary storage in time-sensitive applications.
• LVTTL Interface - Standard LVTTL signaling ensures broad compatibility with both legacy and modern microcontrollers without requiring level translation.
• Voltage Supply - 3.0V to 3.6V operating range simplifies power design in mixed-signal environments and reduces thermal constraints.
• Package - 90-pin TFBGA in an 8x13mm footprint minimizes PCB area while maintaining robust ball grid connectivity for automated assembly.
• Temperature Range - -40°C to 85°C operating specification supports deployment in industrial control systems, automotive cabin electronics, and outdoor instrumentation.

Typical Applications

• Industrial Control Systems - This SDRAM serves as working memory for programmable logic controllers and distributed I/O modules, where the extended temperature tolerance ensures reliable operation in factory floors and harsh environments.
• Embedded Computing - The 32-bit wide data path aligns naturally with ARM and MIPS processors, providing efficient frame buffer storage for HMI displays and temporary data caching in edge computing devices.
• Automotive Infotainment - Suitable for cabin electronics such as dashboard displays and rear-seat entertainment controllers, where the -40°C to 85°C rating addresses thermal extremes without requiring expensive automotive-grade qualification.
• Test and Measurement Instruments - The 143MHz clock capability and 256Mbit capacity support high-speed data acquisition buffers in oscilloscopes, logic analyzers, and protocol testers requiring temporary waveform storage.
• Networking Equipment - Functions as packet buffer memory in managed switches and routers, where the LVTTL interface integrates directly with network processors and the industrial temperature range accommodates rack-mounted or outdoor enclosures.

Unique Advantages

• Proven SDRAM Architecture: Utilizes mature synchronous DRAM technology with well-documented timing characteristics, reducing design risk and accelerating time-to-market compared to newer memory interfaces requiring complex training algorithms.
• Direct Processor Integration: The LVTTL interface and 32-bit organization eliminate the need for memory controllers or converters in many embedded designs, simplifying PCB layout and reducing component count.
• Extended Industrial Operating Range: The -40°C to 85°C specification enables deployment in industrial and automotive cabin environments without expensive thermal management solutions or qualification overhead.
• Compact Ball Grid Package: The 90-TFBGA footprint delivers high pin density in 8x13mm, freeing board space for additional peripherals or enabling smaller product form factors critical in space-constrained designs.
• Active Lifecycle Status: With confirmed active production status, this component reduces obsolescence risk for products requiring multi-year manufacturing runs and long-term field support commitments.
• Standard Supply Voltage: The 3.0V to 3.6V range matches common system rails in embedded designs, eliminating dedicated regulators and improving overall power supply efficiency.

Why Choose the IS42S32800L-7BLI-TR?

This DRAM is positioned for embedded system architects who prioritize reliability, ease of integration, and long-term availability over bleeding-edge performance. The straightforward LVTTL interface and standard voltage requirements reduce both design complexity and BOM cost, while the extended temperature specification and active production status address industrial product lifecycle demands. For designs requiring 256Mbit of volatile memory without the overhead of DDR protocols or exotic temperature qualifications, this component offers a pragmatic balance of proven technology and thermal robustness.

Engineers designing industrial controllers, embedded displays, or networking equipment will find this SDRAM integrates cleanly into 32-bit processor architectures while maintaining operational integrity across wide thermal ranges. The compact TFBGA package and active lifecycle status make it particularly suitable for products expecting multi-year production runs and field deployments in environments where reliability outweighs maximum bandwidth.

Request a Quote

Contact our sales team to discuss volume pricing, lead times, and technical support for integrating the IS42S32800L-7BLI-TR into your next embedded design. Our engineers can assist with layout recommendations and timing analysis to ensure optimal performance in your application.